Services – Ubuntu Tutorials

Set up teamviewer without installation in Ubuntu 20.04

In Ubuntu we can install teamviewer by downloading the deb package then use apt install to install it , also we can download the teamviewer tar file then extract it to run it directly.

1.Download teamviewer tar file using Firefox or command wget

wget https://download.teamviewer.com/download/linux/teamviewer_amd64.tar.xz

2. Extract it using command tar or your gui file browser

tar xf teamviewer_amd64.tar.xz

3. Run teamviewer from command line or double clicking “teamviewer” in file browser

4. Probably you need to check if requried libaries been installed or not

./tv-setup checklibs

Install Vnc server on ubuntu 20.04

Install xfce4 and tightvncserver

1.Install xfce4 using below command

sudo apt update;sudo apt install xfce4

2.Select a desktop manager ,here we chose ligthtdm

2.Install tight vnc server

sudo apt install tightvncserver

Setup vnc server

1.Create a test vnc session for password setup and xstartup file creation

vncserver

2. kill the session created in step one because we need to modify xstartup file

vncserver -kill :1

3. Modify .vnc/xstartup from your home directory to let vnc use xfce4

j@j:~/.vnc$ cat xstartup
#!/bin/sh

xrdb $HOME/.Xresources
xsetroot -solid grey
#x-terminal-emulator -geometry 80x24+10+10 -ls -title "$VNCDESKTOP Desktop" &
#x-window-manager &
# Fix to make GNOME work

#export XKL_XMODMAP_DISABLE=1
#/etc/X11/Xsession
startxfce4 &

3.Create a new vnc session using below command

vncserver

Or add option -geomtry if you need bigger window

vncserver -geometry 1920x1080

Connect to vnc server from client

1.Here we are using windows 10 , download and install a Vnc viewer like https://www.realvnc.com/

2.Connect to you vnc server via hostname:port or IpAddress:port

Enable root login gui in ubuntu

1.First we need to enable or set root password using below command,you can open a terminal via Ctl+Alt+t

sudo -s
passwd root

2.To allow root login gui ,we need to modify /etc/pam.d/gdm-password to uncomment below line .(Add a “#” to the beginning of the line)

#auth	required	pam_succeed_if.so user != root quiet_success

3.We still need to modify /root/.profile as below , or there maybe an error prompted when you login using root account.Just as the image below you need to uncomment line “mesg n || true” and replace it with 3 lines as showed

4.Done , good luck and enjoy

Enable ssh server on Ubuntu 18.04

By default Ubuntu desktop does not have ssh server enabled or installed , so we need to install openssh to get it enabled or you may get error like “Network error: Connection refused”
1.On your Ubuntu side, open a terminal by pressing Ctl+Alt+t , then run below command to install openssh-server

sudo apt-get install openssh-server

2.Optional you can check the running status of the ssh server service with below command

sudo service ssh status

The ssh server configuration file locates /etc/ssh/sshd_config in case you want to customize your ssh server configuration.

3.Now you should be able to ssh to your ubuntu machine ,good luck